Identify the conic that the polar equation represents. Also, give the position of the directrix.r = 
A. ellipse, directrix parallel to the polar axis 2 below the pole
B. ellipse, directrix parallel to the polar axis 2 above the pole
C. ellipse, directrix perpendicular to the polar axis 2 left of the pole
D. ellipse, directrix perpendicular to the polar axis 2 right of the pole
Answer: A
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Multiply using the lattice method.9 × 214
A. 2140 B. 1917 C. 1935 D. 1926
Provide an appropriate response.Multiply: (7)(4)(8)(3)
A. 756 B. 896 C. 22 D. 672
Solve the equation by completing the square.x2 + 10x + 16 = 0
A. {-2, -8} B. {2, 8} C. {24, -8} D. {±4}
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = x4 - 19x2 + 48
A. x = -4, multiplicity 1; x = 4, multiplicity 1; x = -
, multiplicity 1
B. x = 16, multiplicity 1; x = 3, multiplicity 1
C. x = -4, multiplicity 1; x = 4, multiplicity 1; x = -
, multiplicity 1; x = 
, multiplicity 1
D. x = 16, multiplicity 1; x = -
, multiplicity 1; x = 
, multiplicity 1